To measure cognitive insight, he developed the Beck Cognitive Insight Scale (BCIS), a 15 item self-report instrument with two subscales, self-reflectiveness and self-certainty (Beck 2004).

Cognitive insight, measured using the Beck Cognitive Insight Scale, tested individual's self-reflectiveness and confidence in their interpretations of experiences.

Cognitive insight, measured using the Beck Cognitive Insight Scale, tested individual's self-reflectiveness and confidence in their interpretations of experiences.